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Finding the Fourth Proportional to 219,421.92, 302,823.72 and 133,373.37

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Solution

The fourth proportional to 219,421.92, 302,823.72 and 133,373.37 is: 184,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,421.92 : 302,823.72 = 133,373.37 : x
  2. Step 2: Convert to fraction form
    219,421.92/302,823.72 = 133,373.37/x
  3. Step 3: Cross multiply
    219,421.92x = 302,823.72 × 133,373.37
  4. Step 4: Simplify right side
    219,421.92x = 40,388,620,052.34
  5. Step 5: Solve for x
    x = 40,388,620,052.34/219,421.92
  6. Step 6: Final answer
    x = 184,068.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.